fix #2056

jef · jef · commit 757e7344f23a · 2009-11-29T12:29:00.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12283 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/python/plugins/fTools/tools/doGeometry.py b/python/plugins/fTools/tools/doGeometry.py
@@ -456,6 +456,10 @@ def polygon_centroids( self ):
               cx+=((line[i].x()-xmin)+(line[j].x()-xmin))*factor
               cy+=((line[i].y()-ymin)+(line[j].y()-ymin))*factor
               area+=factor
+
+        if area==0:
+          continue
+		 
         cx/=area*3.00
         cy/=area*3.00
         outfeat.setGeometry( QgsGeometry.fromPoint( QgsPoint( cx+xmin, cy+ymin ) ) )
